The economic impact of AIDS.
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Genetic discrimination, defined as the differential treatment of individuals or their relatives on the basis of actual or presumed genetic differences, is an emerging issue of interest in academic, clinical, social and legal contexts. While its potential significance has been discussed widely, verified empirical data are scarce. Genetic discrimination is a complex phenomenon to describe and investigate, as evidenced by the recent Australian Law Reform Commission inquiry in Australia. The authors research project, which commenced in 2002, aims to document the multiple perspectives and experiences regarding genetic discrimination in Australia and inform future policy development and law reform. Data are being collected from consumers, employers, insurers and the legal system. Attempted verification of alleged accounts of genetic discrimination will be a novel feature of the research. This paper overviews the early stages of the research, including conceptual challenges and their methodological implications.
Participants in preventive HIV vaccine trials may experience negative social consequences of trial participation, including problems related to a vaccine-induced positive HIV antibody test, yet few vaccine studies have reported on this issue. From October 1995 through November 1998, 1516 AIDS Vaccine Evaluation Group (AVEG) volunteers were assessed for reports of trial-related discrimination (TRD). Ninety TRD events were reported by 76 (5%) of 1516 volunteers. The most commonly reported incidents (n = 52, 57.8%) were negative reactions of friends, family, and co-workers to the volunteer. Few incidents (approximately 10%) were reported as linked to HIV testing. The majority of events (n = 47, 52%) were described by volunteers as "resolved" at the time of reporting, 36 (40%) as "not resolved," and for 7 (8%) events volunteers did not report resolution status. Reported incidents were analyzed by logistic regression to determine their association with the volunteer's age, sex, race, sexual orientation, and HIV risk category. There was no association between volunteer characteristics and TRD. Logistic regression and analysis of variance (ANOVA) were used to analyze association of trial sites with the number of TRD events reported. After controlling for site variation in data collection and reporting, no significant differences were found between the sites in terms of the number or type of TRD reported. Fears that TRD would be widespread and severe have not been borne out by this analysis. While the results of this study are reassuring, they should be interpreted with caution, as it is unclear whether these results may be extended to phase III trials enrolling large numbers of individuals at higher risk of HIV acquisition.
This study assessed the probability that individuals tested for a BRCA1 gene mutation share their test results with family members, co-workers, and insurers. Members of a large kindred known to be at-risk for carrying a BRCA1 gene mutation were tested and they learned their results from a genetic counselor. During a follow-up interview, 4 months later, subjects were asked with whom they had shared their results. Respondents were most likely to have communicated results to family members, followed by co-workers, and insurers. Carrier status affected their willingness to disclose results to insurers. High rates of disclosure to family members should promote awareness of hereditary cancer risk. Selective disclosure to co-workers and insurers may promote information asymmetries that could affect employment and insurance markets.
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A computer model was developed with decision analysis software to explore the long-term clinical and economic outcomes of alcohol abstinence maintenance with either standard counselling therapy or standard therapy plus 48 weeks of adjuvant acamprosate in detoxified alcoholic patients. Important complications of alcoholism were modelled using Markov processes, and included relapse (return to drinking), alcohol-related hepatic disease, acute and chronic pancreatitis, acute and chronic gastritis, oropharyngeal carcinoma, oesophageal carcinoma, alcoholic cardiomyopathy, alcohol-related peripheral neuropathy, alcoholic psychosis, accidental death, and suicide. Probabilities of developing complications were dependent on whether the patients within the cohort remained abstinent or had relapsed. Relapse rates, probabilities, and costs for acamprosate therapy and treatment of complications were taken from published literature. The analysis was performed from the German health insurance perspective. Life expectancy and total lifetime costs (costs of initial abstinence maintenance therapy plus costs of complications) were calculated for a typical male cohort with average age of 41 years, 80% with fatty liver, 15% with cirrhosis, 22% with chronic pancreatitis, and 1% with alcoholic cardiomyopathy at baseline. Life expectancy with and without acamprosate therapy was 15.90 and 14.70 years respectively, and discounted (5% per annum) average total lifetime costs per patient were DEM 46 448 and DEM 49 549 respectively. We conclude that, despite the acquisition costs of DEM 2177, adjuvant acamprosate therapy was both clinically and economically attractive under conservative assumptions.
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